Nut-lock.



No. 845,280. PATENTED FEB 26, 1907.

' G. M. THRASHER.

NUTLOUK.

APPLICATION FILED DEU.22,19OG.

I atr w a ivo. seeped.

To all whom it may concern II Be it'known that I, CHA RLEs'M. TrmhsnnR,a citizen of the United'$tates, residing at R0 cky, in the county "ofWashita and Territory I of Oklahoma, have'invent'ed certain new-and Iuseful Improvements-in Nut-Locks, ofwhieh' UN TED STAT S ATEN OFFICECHARLES: 'THRAS H a- OF RO KY, OKLAHOMA TERRITORY.

, f ar-sta e of Iietters Patenti Patented Feb; 26, 190?.

I Applicatioii'tiled December 22, 1906-: seri'nir .349,125.;

I the following is a specification;

.Thislinvention lcontemplates certain new i and useful improvements innut-locks; and

the object or my by a which a nut will be seplace as against accidental-oil", while "at the sametime provision is made "for removing the nutwhenever it is desired to'do so."

With this and 'other objects iIi vi eW, as

will moreifitny -PP r flsthe s iption Proeeed ti 'et'lnv ention consistsin certain con- I structions and arrangements of theparts herem after'de seribed and'clanned.

For 'a-iull description of the w en hid the merits thereof and valso to[acquire a knowledge of thledetails of construction of theineans'fortetfecting the result reference is-to' "be had-to thefollowing description andiac i companying' drawings, in'whi'ch',

' Figure l-is' the face view illustrating improved nut-lock; '-Fig. 2.is-an edge view thereof, and Fig. 3 isa'horizontalsectio'nal view.

Corresponding and like partsare referred to in the'following'desoription and indicated inall the viewsof the drawingsbythe' same I reference characters. I I

Referring to the drawings-,the' letter A des-. ignates the parts towhlch-my improved nutlock is applied, and B the bolt I The improvednutof my invention isdesignated 1 andis providedwith a ratchet-flange 2.The nut itself'is square or otherwise polygonal in shape, so that awrenchinay be .ap 'fplied'thereto and screw it upon' the bolt B; I

- 3 designates; a washer whichis adapted to be placed overthe'biolt andto be interposed 1 between the-mitand the (part A. This washer iselo'nga ted or exten shown, and 1s free'end of heldin place by rivets,

' larfastening devices, 5 through. the washer in I I opening or apertureof the part to be held in" invention *is' to provide a nut-lock; Q Thebolt very simple, cheap, and efficient construc tion of nut-lock curelyheld: in

1 displacement and prevented -fron'1- working spring5 so as to 'gaernent withlthratchiet-flatnge 2'." I .Itljs to benotedthatthearrangement oftheparts is such that the unlocking I ed atone, side,asprovided in its extension with, aswelledportion 4-, one edge ofwhichlcon I I I I I e swelle "-stitutes asupporting-ledge, to-which oneend" thepawl is adapted,

' to extend into engagement-with the teeth of the circularratchet-flange 2.

,to the part to s5 In practicing luv-invention the Washer S f ispreferably secured first which theinvention-ism" beapp'lied, being .i

with I the opening apertures,'andflthenut sthen applied and is screws,or other siinji- 1. 1 alinement with the is manifest that the 5: Iscrewed up byanytoohsuch as a Wrench." As' it is screwe'd'up it teeth ofthe'ratchet-flange '2. will slip over 1 vthe free end-of the spring 5,andthe 'said end of the s ring will prevent the nut ffomtu'rning bacwardly. Wheneveriitis desired to} ,unlockthe nut, this'niay be done by,an un locking) device 6 which I have provided, the

same

I eing; mounted "to turn '.withinthe washer 3 and provided with a wingadapted to be sWung up' into engagement with the carry'the sanie outfofen:

device-6 may. rest againstthe side edge of the swelled; portion 4when itholds the spring'5.in'rel'easedposi-v tion, so as to support the springand ,Inain 't'ai'n' it. out ofdengagement with the ratchet 5 ,flang'eWithout the necessity of holding the unlocking devicev while the moved.-I

1 .From the foregoing description, in, connection with theaccompanyingdrawingsit will be seen. that I have provided a very simple constructionof nut-lock Wh-lCh com-prises parts and will securely v-hol'd the'nutagainst a backward movementafter it has been screwed up,-While at the'comparatively few same time provision' is made for. unlocking the nutwhenever desired.

nut isbeing re Having thus described theinvention,what

is claimed as ne.w is% endto said" ledge, a nuta'dapted to Work. on

said bolt andfhavinga}ratchetfor. engage ment'by said pewl, and anunlocking device I In testimonywvhepeof I affix my signatug'e journaledon sand Washer and provlded wlth 1n presence of two wltnesses.

a Wingadapted to be swung against the pawl whereby to carry it out ofengagement with 2 the ratchet, said Wing being arranged to rest\Vitnesses: against the side edge of the said swelled per- D. L. BURSON,tion and hold the pawl disengaged. N. A. MCATEE.

CHARLES M. THRASHER. [L 5.]

